CN115929877A - Composite gear of gap bridge gear shaft and heat treatment mode of gear shaft - Google Patents

Composite gear of gap bridge gear shaft and heat treatment mode of gear shaft Download PDF

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CN115929877A
CN115929877A CN202211426437.2A CN202211426437A CN115929877A CN 115929877 A CN115929877 A CN 115929877A CN 202211426437 A CN202211426437 A CN 202211426437A CN 115929877 A CN115929877 A CN 115929877A
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gear
main shaft
shaft body
fixedly connected
outer side
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CN115929877B (en
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朱永官
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Jiangsu Resist Driveline Co ltd
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Jiangsu Resist Driveline Co ltd
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Abstract

The invention relates to a composite gear of a gap bridge gear shaft, which comprises a main shaft body, wherein a dismounting assembly is arranged on the outer side of the main shaft body, a gear main body is fixedly connected to the outer side of the dismounting assembly, a rack is fixedly connected to one end of the main shaft body, a screw rod is in threaded connection with the inner side of the main shaft body, the dismounting assembly comprises a retaining ring, one end of the retaining ring is fixedly connected with the outer side of the main shaft body, and a first mounting cap, one end of which is abutted to the retaining ring, is in threaded connection with the outer side of the main shaft body. This compound gear of gap bridge gear shaft and heat treatment mode of gear shaft through the cooperation of first installation cap and second installation cap, but makes the first installation cap of threaded fixation on the main shaft body and second installation cap antiport dismantle, come the gear main part that different diameters's first installation cap and second installation cap come the different specifications of adaptation, and can extrude the stopper through the screw rod with main shaft body threaded connection and restrict first installation cap antiport, improve the stability in service.

Description

Composite gear of gap bridge gear shaft and heat treatment mode of gear shaft
Technical Field
The invention relates to the technical field of mechanical parts, in particular to a composite gear of a gap bridge gear shaft and a heat treatment mode of the gear shaft.
Background
The gap bridge gear is a widely used mechanical part, and the basic structure of the gap bridge gear is that two gears with different sizes are fixed on one shaft, but in the prior art, gears are respectively installed at two ends of a gap bridge gear shaft, but the requirements on the sizes of the gears are strict, and correspondingly, the requirements on the diameters of the gap bridge gear shaft are also strict.
The installation structure of the carrier gear in the plying machine is proposed as CN 101629392A, and the rigidity and the strength of the carrier gear are increased; the other free end of the intermediate shaft is arranged in the cover plate through the bearing, so that the transmission stability is greatly improved, the abrasion of the intermediate shaft is greatly reduced, the bearing failure and the jamming and the crack of the intermediate gear are avoided, the service lives of the intermediate gear, the intermediate shaft and related parts are greatly prolonged, however, the intermediate gear shaft of the same model can only be assembled with the intermediate gear of the same model, the manufacturing cost of machinery is increased, the wider market demand can not be met, and the composite gear of the intermediate gear shaft and the heat treatment mode of the gear shaft are provided for solving the problems because the rigidity of the gear on the existing gear shaft is limited and the protective measures are lacked, so that the composite gear of the intermediate gear shaft is easy to damage in the long-term use process and the service life is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a composite gear of a gap bridge gear shaft and a heat treatment mode of the gear shaft, which have the advantages of wide applicable specification, high rigidity and the like and solve the problems of limited assembly model and low rigidity.
In order to achieve the purpose, the invention provides the following technical scheme: a composite gear of a gap bridge gear shaft comprises a main shaft body, wherein a dismounting assembly is arranged on the outer side of the main shaft body, a gear main body is fixedly connected to the outer side of the dismounting assembly, a rack is fixedly connected to one end of the main shaft body, and a screw is in threaded connection with the inner side of the main shaft body;
the dismounting assembly comprises a retaining ring, one end of the retaining ring is fixedly connected with the outer side of the main shaft body, the outer side of the main shaft body is in threaded connection with a first mounting cap, one end of the first mounting cap, which is far away from the retaining ring, is fixedly connected with a second mounting cap, one end of the second mounting cap is in threaded connection with the outer side of the main shaft body, a mounting hole is formed in the inner side of the main shaft body, a rotating shaft is rotatably connected to the inner side of the mounting hole, a limiting block is fixedly connected to the outer side of the rotating shaft, one end of the limiting block extends into the first mounting cap, a screw rod, one side of which is in threaded connection with the inner side of the main shaft body and is in threaded connection with the limiting block, a rotating assembly is arranged at one end of the screw rod, and a torsion spring is arranged between the outer side of the limiting block and the inner side of the mounting hole;
the gear body comprises two inner rings, one ends of the inner rings are fixedly connected to the outer sides of the first mounting cap and the second mounting cap respectively, the outer sides of the inner rings are fixedly connected with outer rings, the outer sides of the outer rings are fixedly connected with gear teeth, protective coatings are coated on the outer sides of the gear teeth, through holes which are communicated with each other are formed in the inner rings and the outer rings, and reinforcing blocks are fixedly connected to the inner sides of the through holes.
Further, first internal thread has all been seted up to the inboard of first installation cap and second installation cap, first external screw thread has been seted up to the outside of main shaft body, first internal thread and first external screw thread mutually support.
Further, the interior of the main shaft body is hollow, a second internal thread is formed in the inner side of the main shaft body, and the second internal thread is matched with the thread on the outer side of the screw rod.
Further, the quantity of mounting hole is two, two the mounting hole is upper and lower symmetric distribution, the stopper is the L font, the stopper is close to one side of screw rod for the slope form.
Further, a fixing groove is formed in the inner side of the first mounting cap, and the specification of the fixing groove is matched with the specification of one end, extending to the inside of the first mounting cap, of the limiting block.
Further, the inner ring is a nickel-titanium alloy ring, the reinforcing blocks are nickel-titanium alloy blocks, the number of the through holes is a plurality, and the through holes are distributed in an equidistant annular mode.
Furthermore, the number of the reinforcing blocks is a plurality of reinforcing blocks, every two of the reinforcing blocks are annularly distributed in the through holes, each group of reinforcing blocks are distributed in a triangular shape, and the protective coating is a nano ceramic coating.
Further, the rotating assembly comprises a connecting block, one end of the connecting block is fixedly connected with one end of the screw rod, a rotating ring is rotatably connected to the inside of the connecting block, one end of the rotating ring extends to the inside of the main shaft body, and a connecting groove located on the outer side of the rotating ring is formed in one end of the main shaft body.
Further, the arc wall of one end and spread groove intercommunication is seted up to the one end of the main shaft body, the inboard fixedly connected with rubber sleeve of spread groove.
A heat treatment mode of a gear shaft comprises the following steps:
s1: the normalizing tempering treatment is a pretreatment process before carburizing, and is carried out by putting a pretreated gear shaft into a trolley type resistance furnace, eliminating residual carbide in a gear forging stock, homogenizing tissues and preparing tissues for subsequent carburizing and quenching;
s2: performing carburizing high-temperature tempering treatment, namely putting the pretreated gear shaft in a controllable atmosphere multipurpose furnace production line, and adopting a super carburizing atmosphere prepared from acetone and air;
s3, quenching and low-temperature tempering treatment, namely putting the carburized and high-temperature treated gear shaft into a controlled atmosphere multi-purpose furnace for low-temperature quenching, and then performing strong shot blasting on the tooth surface of the gear shaft by using a strong shot blasting machine to improve the hardness of the tooth surface and improve the wear resistance of the gear; in addition, the surface layer of the tooth surface is also provided with a pressure stress layer by the powerful shot blasting of the tooth surface, so that the contact fatigue resistance and the bending fatigue resistance of the gear are improved, the gear is protected from generating fatigue cracks too early due to alternating load, and the service life of the gear is prolonged.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. the first mounting cap and the second mounting cap which are screwed on the main shaft body can rotate reversely and be detached through the matching of the first mounting cap and the second mounting cap, so that the first mounting cap and the second mounting cap with different diameters can be replaced to adapt to gear main bodies with different specifications, and the screw rod which is in threaded connection with the main shaft body can extrude the limiting block to limit the reverse rotation of the first mounting cap, thereby improving the stability in operation.
2. This compound gear of gap bridge gear shaft and heat treatment mode of gear shaft, through boss and protective coating's cooperation, because set up quantity on inner ring and the shell in the gear body and be a plurality of through-hole, and the boss that is located the through-hole is the triangle-shaped and distributes, when reducible gear body manufacturing cost, can also strengthen self rigidity intensity to the protective coating that is located the teeth of a cogwheel outside can strengthen wear resistance, thereby increase life.
3. The composite gear of the gap bridge gear shaft and the heat treatment mode of the gear shaft can improve the hardness of the tooth surface of the rack and the wear resistance of the rack by the main shaft body which is treated by three steps of normalizing tempering treatment, carburizing high-temperature tempering treatment and quenching low-temperature tempering treatment, thereby prolonging the service life of the main shaft body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a side view of the gear structure of the present invention;
fig. 4 is a side view of the spindle body structure of the present invention.
In the figure: 1. a main shaft body; 2. a rack; 3. a gear body; 31. an inner ring; 32. gear teeth; 33. an outer ring; 34. a protective coating; 35. a through hole; 36. a reinforcing block; 4. disassembling the assembly; 41. a first mounting cap; 42. a second mounting cap; 43. a baffle ring; 44. mounting holes; 45. a rotating shaft; 46. a torsion spring; 47. a limiting block; 5. a screw; 6. a rotating assembly; 61. connecting blocks; 62. a rotating ring; 63. and connecting the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, the composite gear of the intermediate gear shaft in the present embodiment includes a main shaft body 1, a detaching assembly 4 is disposed outside the main shaft body 1, a gear main body 3 is fixedly connected to an outside of the detaching assembly 4, a rack 2 is fixedly connected to one end of the main shaft body 1, and a screw 5 is threadedly connected to an inside of the main shaft body 1.
The disassembling component 4 comprises a retaining ring 43 fixedly connected with one end of the main shaft body 1, the outer side of the main shaft body 1 is in threaded connection with a first mounting cap 41 with one end abutted to the retaining ring 43, the first mounting cap 41 is far away from a second mounting cap 42 with one end fixedly connected with one end of the retaining ring 43 and the outer side of the main shaft body 1 in threaded connection, a mounting hole 44 is formed in the inner side of the main shaft body 1, a rotating shaft 45 is rotatably connected to the inner side of the mounting hole 44, one end of the outer side fixedly connected with of the rotating shaft 45 extends to a limiting block 47 inside the first mounting cap 41, a screw rod 5 with one side abutted to the limiting block 47 is in threaded connection with the inner side of the main shaft body 1, one end of the screw rod 5 is provided with a rotating component 6, and a torsion spring 46 is arranged between the outer side of the limiting block 47 and the inner side of the mounting hole 44.
In this embodiment, the first mounting cap 41 and the second mounting cap 42 screwed to the main shaft body 1 can be reversely rotated and detached, so that the first mounting cap 41 and the second mounting cap 42 with different diameters can be replaced to adapt to the gear bodies 3 with different specifications.
Wherein, first internal thread has all been seted up to the inboard of first installation cap 41 and second installation cap 42, and first external screw thread has been seted up in the outside of the main shaft body 1, and first internal thread is mutually supported with first external screw thread, makes first installation cap 41 and second installation cap 42 can rotate to main shaft body 1 on and offset the back with fender ring 43, fix on the main shaft body 1.
In addition, the inside of the main shaft body 1 is hollow, a second internal thread is formed on the inner side of the main shaft body 1, the second internal thread is matched with the thread on the outer side of the screw rod 5, so that after the screw rod 5 is rotationally fixed on the inner side of the main shaft body 1, the strength of the main shaft body 1 can be increased, and the limiting block 47 can be extruded to rotate into the first mounting cap 41.
Secondly, the quantity of mounting hole 44 is two, and two mounting holes 44 are upper and lower symmetric distribution, and stopper 47 is the L font, and stopper 47 is close to the one side of screw rod 5 and is the slope form, makes pivoted screw rod 5 can cause the extrusion to stopper 47's slope department.
Finally, the fixed slot has been seted up to the inboard of first mounting cap 41, and the specification and the stopper 47 of fixed slot extend to the specification phase-match of the inside one end of first mounting cap 41, make the stopper 47 that extends to in the fixed slot can restrict first mounting cap 41 antiport and break away from with the main shaft body 1.
Referring to fig. 3, in the present embodiment, the gear body 3 includes two inner rings 31, one end of each of the two inner rings is fixedly connected to the outer sides of the first mounting cap 41 and the second mounting cap 42, the outer side of the inner ring 31 is fixedly connected to the outer ring 33, the outer side of the outer ring 33 is fixedly connected to the gear teeth 32, the outer side of the gear teeth 32 is coated with the protective coating 34, the inner rings 31 and the outer ring 33 are both provided with through holes 35 that are communicated with each other, and the inner sides of the through holes 35 are fixedly connected to the reinforcing blocks 36.
In this embodiment, since the inner ring 31 and the outer shell 33 of the gear body 3 are provided with a plurality of through holes 35, and the reinforcing blocks 36 located in the through holes 35 are distributed in a triangular shape, the production cost of the gear body 3 can be reduced, the rigidity strength of the gear body can be enhanced, and the wear resistance of the protective coating 34 located outside the gear teeth 32 can be enhanced.
Wherein, inner ring 31 is the nickel titanium alloy ring, and reinforcing block 36 is the nickel titanium alloy piece, and the quantity of through-hole 35 is a plurality of, and a plurality of through-hole 35 is equidistance annular distribution, reduces the cost of gear main part 3 in process of production.
In addition, the quantity of boss 36 is a plurality of, and a plurality of boss 36 is two liang of a set of annular distribution in through-hole 35, and every group boss 36 is the triangle-shaped distribution, makes gear main part 3 under the condition of trompil, can maintain self rigidity intensity, and protective coating 34 is the nanometer ceramic coating, increases gear main part 3 outside wearability.
Referring to fig. 4, in the present embodiment, the rotating assembly 6 includes a connecting block 61 having one end fixedly connected to one end of the screw 5, a rotating ring 62 having one end extending into the main shaft 1 is rotatably connected to the inside of the connecting block 61, and a connecting groove 63 located outside the rotating ring 62 is formed at one end of the main shaft 1.
Wherein, the arc wall of one end and spread groove 63 intercommunication is seted up to the one end of the main shaft body 1, and the inboard fixedly connected with rubber sleeve of spread groove 63 makes swivel 62 can extend to in the arc wall, and restriction screw 5 rotates.
In this embodiment, after the rotating ring 62 and the connecting groove 63 are pulled to be separated through the arc-shaped groove, the rotating ring 62 rotates the screw 5 to be separated from the spindle body 1, so as to separate the first mounting cap 41 from the second mounting cap 42.
A heat treatment mode of a gear shaft comprises the following steps:
s1: the normalizing tempering treatment is a pretreatment process before carburizing, and is carried out by putting a pretreated gear shaft into a trolley type resistance furnace, eliminating residual carbide in a gear forging stock, homogenizing tissues and preparing tissues for subsequent carburizing and quenching;
s2: performing carburizing high-temperature tempering treatment, namely putting the pretreated gear shaft into a controllable atmosphere multipurpose furnace production line, and adopting a super carburizing atmosphere prepared from acetone and air;
s3, quenching and low-temperature tempering treatment, namely putting the carburized gear shaft subjected to high-temperature treatment into a multi-purpose furnace with controlled atmosphere for low-temperature quenching, and then performing strong shot blasting on the tooth surface of the gear shaft by using a strong shot blasting machine to improve the hardness of the tooth surface and improve the wear resistance of the gear; in addition, the surface layer of the tooth surface is also provided with a pressure stress layer by the powerful shot blasting of the tooth surface, so that the contact fatigue resistance and the bending fatigue resistance of the gear are improved, the gear is protected from generating fatigue cracks too early due to alternating load, and the service life of the gear is prolonged.
The working principle of the above embodiment is as follows:
because first installation cap 41 and second installation cap 42 all with main shaft body 1 screw-thread fit, make first installation cap 41 and second installation cap 42 of threaded fixation on main shaft body 1 rotate screw rod 5 through swivel 62 and make with main shaft body 1 separation, but first installation cap 41 of counter-rotation and second installation cap 42 are dismantled, come the gear main part 3 of different specifications of first installation cap 41 of change different diameters and second installation cap 42 adaptation, and the screw rod 5 that rotates to the main shaft body 1 inboard can extrude stopper 47 and rotate to first installation cap 41 in restriction first installation cap 41 counter-rotation, improve the stability in the operation.
Because the inner ring 31 and the shell 33 on the gear body 3 are provided with a plurality of through holes 35, and the reinforcing blocks 36 in the through holes 35 are distributed in a triangular shape, the production cost of the gear body 3 can be reduced, meanwhile, because the inner ring 31 is a nickel-titanium alloy ring, the reinforcing blocks 36 are nickel-titanium alloy blocks, the rigidity strength and the thermal expansion of the main shaft body can be enhanced, and the protective coating 34 on the outer side of the gear teeth 32 can enhance the wear resistance, so that the service life is prolonged, and the main shaft body 1 which is processed by three steps of normalizing tempering treatment, carburizing high-temperature tempering treatment and quenching low-temperature tempering treatment can improve the hardness of the tooth surface of the rack 2 and improve the wear resistance of the rack 2, so that the service life of the main shaft body 1 is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a compound gear of gap bridge gear shaft, includes main shaft body (1), its characterized in that: a dismounting component (4) is arranged on the outer side of the main shaft body (1), a gear main body (3) is fixedly connected to the outer side of the dismounting component (4), a rack (2) is fixedly connected to one end of the main shaft body (1), and a screw rod (5) is in threaded connection with the inner side of the main shaft body (1);
the dismounting assembly (4) comprises a blocking ring (43) with one end fixedly connected with the outer side of the main shaft body (1), the outer side of the main shaft body (1) is in threaded connection with a first mounting cap (41) with one end abutting against the blocking ring (43), one end, far away from the blocking ring (43), of the first mounting cap (41) is fixedly connected with a second mounting cap (42) with one end in threaded connection with the outer side of the main shaft body (1), the inner side of the main shaft body (1) is provided with a mounting hole (44), the inner side of the mounting hole (44) is rotatably connected with a rotating shaft (45), the outer side of the rotating shaft (45) is fixedly connected with a limiting block (47) with one end extending into the first mounting cap (41), the inner side of the main shaft body (1) is in threaded connection with a screw rod (5) with one side abutting against the limiting block (47), one end of the screw rod (5) is provided with a rotating assembly (6), and a torsion spring (46) is arranged between the outer side of the limiting block (47) and the inner side of the mounting hole (44);
gear main part (3) are including quantity for two and one end respectively fixed connection at inner ring (31) in the first installation cap (41) and second installation cap (42) outside, outside fixedly connected with outer loop (33) of inner ring (31), the outside fixedly connected with teeth of a cogwheel (32) of outer loop (33), protective coating (34) are scribbled in the outside of the teeth of a cogwheel (32), through-hole (35) that communicate each other are all seted up to inner ring (31) and the inside of outer loop (33), inboard fixedly connected with boss (36) of through-hole (35).
2. The composite gear of a carrier shaft according to claim 1, wherein: first internal thread has all been seted up to the inboard of first mounting cap (41) and second mounting cap (42), first external screw thread has been seted up in the outside of main shaft body (1), first internal thread and first external screw thread mutually support.
3. A composite gear of a carrier shaft according to claim 1, wherein: the spindle body (1) is hollow, second internal threads are formed in the inner side of the spindle body (1), and the second internal threads are matched with threads on the outer side of the screw (5).
4. A composite gear of a carrier shaft according to claim 1, wherein: the quantity of mounting hole (44) is two, two mounting hole (44) are upper and lower symmetric distribution, stopper (47) are the L font, one side that stopper (47) are close to screw rod (5) is the slope form.
5. The composite gear of a carrier shaft according to claim 1, wherein: the fixed slot has been seted up to the inboard of first installation cap (41), the specification and the stopper (47) of fixed slot extend to the specification phase-match of the inside one end of first installation cap (41).
6. The composite gear of a carrier shaft according to claim 1, wherein: the inner ring (31) is a nickel-titanium alloy ring, the reinforcing blocks (36) are nickel-titanium alloy blocks, the number of the through holes (35) is a plurality of, and the through holes (35) are distributed in an equidistant annular mode.
7. A composite gear of a carrier shaft according to claim 1, wherein: the number of the reinforcing blocks (36) is a plurality of, the reinforcing blocks (36) are distributed in the through holes (35) in a pairwise annular mode, each reinforcing block (36) is distributed in a triangular mode, and the protective coating (34) is a nano ceramic coating.
8. A composite gear of a carrier shaft according to claim 1, wherein: rotating assembly (6) include one end and screw rod (5) one end fixed connection's connecting block (61), the inside rotation of connecting block (61) is connected with one end and extends to main shaft body (1) inside swivel becket (62), connecting groove (63) that are located the swivel becket (62) outside are seted up to the one end of main shaft body (1).
9. The composite gear of a carrier shaft according to claim 1, wherein: the arc-shaped groove that one end and spread groove (63) communicate is seted up to the one end of main shaft body (1), the inboard fixedly connected with rubber sleeve of spread groove (63).
10. A heat treatment mode of a gear shaft is characterized in that: the method comprises the following steps:
s1: the normalizing tempering treatment is a pretreatment process before carburizing, and is carried out by putting a pretreated gear shaft into a trolley type resistance furnace, eliminating residual carbide in a gear forging stock, homogenizing a structure and preparing the structure for subsequent carburizing and quenching;
s2: performing carburizing high-temperature tempering treatment, namely putting the pretreated gear shaft into a controllable atmosphere multipurpose furnace production line, and adopting a super carburizing atmosphere prepared from acetone and air;
s3, quenching and low-temperature tempering treatment, namely putting the carburized and high-temperature treated gear shaft into a controlled atmosphere multi-purpose furnace for low-temperature quenching, and then performing strong shot blasting on the tooth surface of the gear shaft by using a strong shot blasting machine to improve the hardness of the tooth surface and improve the wear resistance of the gear; in addition, the surface layer of the tooth surface is also provided with a pressure stress layer by the powerful shot blasting of the tooth surface, so that the contact fatigue resistance and the bending fatigue resistance of the gear are improved, the gear is protected from generating fatigue cracks too early due to alternating load, and the service life of the gear is prolonged.
CN202211426437.2A 2022-11-15 2022-11-15 Composite gear of intermediate gear shaft and heat treatment mode of gear shaft Active CN115929877B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007024250A (en) * 2005-07-20 2007-02-01 Nsk Ltd Pinion shaft
US20110250070A1 (en) * 2008-12-10 2011-10-13 Vestas Wind Systems A/S Composite gear part for a gear arrangement and a method of forming a composite gear part
CN202833591U (en) * 2012-10-25 2013-03-27 无锡宇吉科技有限公司 Idler gear shaft component
CN203189487U (en) * 2013-03-01 2013-09-11 江苏保捷锻压有限公司 Self-lubricating gear shaft
US20140007636A1 (en) * 2012-07-04 2014-01-09 Kia Motors Corporation Long life pinion shaft and method for manufacturing thereof
CN103541988A (en) * 2013-11-04 2014-01-29 苏州优金金属成型科技有限公司 Novel intermediate gear shaft
CN108612765A (en) * 2018-07-10 2018-10-02 如皋市福锴金属制品有限公司 A kind of threaded fastening device with low abrasion gear-bearing
CN209856338U (en) * 2019-03-25 2019-12-27 江苏睿思特传动机械有限公司 Compensation type anti-friction gear
CN214063711U (en) * 2020-12-28 2021-08-27 章丘市大星精工机械有限公司 Connecting structure of gear and gear shaft

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007024250A (en) * 2005-07-20 2007-02-01 Nsk Ltd Pinion shaft
US20110250070A1 (en) * 2008-12-10 2011-10-13 Vestas Wind Systems A/S Composite gear part for a gear arrangement and a method of forming a composite gear part
US20140007636A1 (en) * 2012-07-04 2014-01-09 Kia Motors Corporation Long life pinion shaft and method for manufacturing thereof
CN202833591U (en) * 2012-10-25 2013-03-27 无锡宇吉科技有限公司 Idler gear shaft component
CN203189487U (en) * 2013-03-01 2013-09-11 江苏保捷锻压有限公司 Self-lubricating gear shaft
CN103541988A (en) * 2013-11-04 2014-01-29 苏州优金金属成型科技有限公司 Novel intermediate gear shaft
CN108612765A (en) * 2018-07-10 2018-10-02 如皋市福锴金属制品有限公司 A kind of threaded fastening device with low abrasion gear-bearing
CN209856338U (en) * 2019-03-25 2019-12-27 江苏睿思特传动机械有限公司 Compensation type anti-friction gear
CN214063711U (en) * 2020-12-28 2021-08-27 章丘市大星精工机械有限公司 Connecting structure of gear and gear shaft

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